86895853 has 4 divisors (see below), whose sum is σ = 94795488. Its totient is φ = 78996220.

The previous prime is 86895841. The next prime is 86895881. The reversal of 86895853 is 35859868.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86895853 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86895853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86895833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3949801 + ... + 3949822.

It is an arithmetic number, because the mean of its divisors is an integer number (23698872).

Almost surely, 2^86895853 is an apocalyptic number.

It is an amenable number.

86895853 is a deficient number, since it is larger than the sum of its proper divisors (7899635).

86895853 is a wasteful number, since it uses less digits than its factorization.

86895853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7899634.

The product of its digits is 2073600, while the sum is 52.

The square root of 86895853 is about 9321.7945160790. The cubic root of 86895853 is about 442.9278791870.

It can be divided in two parts, 868 and 95853, that added together give a square (96721 = 311²).

The spelling of 86895853 in words is "eighty-six million, eight hundred ninety-five thousand, eight hundred fifty-three".